Add flags for glow and blend func when converting to bytes
Add flags for glow and blend func when converting to bytes

radegastdev/libopenmetaverse,radegastdev/libopenmetaverse,tectronics/libopenmetaverse,radegastdev/libopenmetaverse,tectronics/libopenmetaverse,tectronics/libopenmetaverse,tectronics/libopenmetaverse,radegastdev/libopenmetaverse